You can create an inventory report for all your sites in the Site Manager.
2.In the Domain Management page, click Site on the Start Page or select Operations > Site Manager from the quick access toolbar.
3.In the Site Manager, right-click the My Network node in the site tree and then select Export to Spreadsheet from the drop-down menu.
4.Specify the file format (.csv or .xlsx).
5.Select the devices that you want to include for each leaf site in the exported file. You can export all devices or the top 5 devices in each leaf site by selecting Export 5 Site Members.
7.Click Download file to download the exported file. The default location of the exported file is C:\Users\<your username>\Downloads.